Home / 207,532.56-286,395.24-122,691.60

Finding the Fourth Proportional to 207,532.56, 286,395.24 and 122,691.60

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Solution

The fourth proportional to 207,532.56, 286,395.24 and 122,691.60 is: 169,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,532.56 : 286,395.24 = 122,691.60 : x
  2. Step 2: Convert to fraction form
    207,532.56/286,395.24 = 122,691.60/x
  3. Step 3: Cross multiply
    207,532.56x = 286,395.24 × 122,691.60
  4. Step 4: Simplify right side
    207,532.56x = 35,138,290,227.98
  5. Step 5: Solve for x
    x = 35,138,290,227.98/207,532.56
  6. Step 6: Final answer
    x = 169,314.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.